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26 April, 14:51

A sample of N2 gas occupying 800.0 mL at 20.0°C is chilled on ice to 0.00°C. If the pressure also drops from 1.50 atm to

1.20 atm, what is the final volume of the gas?

Which equation should you use

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Answers (2)
  1. 26 April, 15:13
    0
    Explanation:A sample of N2 gas occupying 800.0 mL at 20.0°C is chilled on ice to 0.00°C. If the pressure also drops from 1.50 atm to

    1.20 atm, what is the final volume of the gas?

    Which equation should you use
  2. 26 April, 15:18
    0
    We will use the combined gas equation.

    The final volume V₂=931.74 mL

    Explanation:

    The combined gas equation shows the interrelationship between the volume, the pressure and the absolute temperature of a fixed mass of an ideal gas,

    P₁V₁/T₁=P₂V₂/T₂

    Because we are looking for the volume after the initial conditions havre been varied, we will call this volume, volume 2 (V₂)

    Let us make it the subject of the equation.

    V₂ = (P₁V₁T₂) T₁P₂

    P₁=1.50 ATM

    P₂=1.20 ATM

    V₁=800 mL

    V₂=?

    T₁ = (20+273) K=293 K

    T₂=0+273 K=273 K

    V₂ = (1.50 * 800*273) / (293*1.2)

    V₂=931.74 mL
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